Aneroid barometer uses pure mercury. `"___________".`

A simple barometer is compact and portable. "____________"

Mercury is used as a barometric luquid because it is "___________" times denser than water.

The empty space above mercury in a simple barometer is called "__________" vecuum.

A barometer tube reads 76 cm of mercury. If the tube is gradually inclined at an angle of 60 with vertical, keeping the open end immersed in the mercury reservoir, the length of the mercury column will be

A barometer tube reads 76 cm of mercury. If the tube is gradually inclined keeping the open end immersed in the mercury reservoir, will the length of mercury column be 76 cm, more than 76 cm or less than 76 cm?

An altimeter is an aneroid barometer which makes use of the change in atmospheric pressure with the change in height above the sea level (altitude). How does the atmospheric pressure change with increase in height above the sea level?

An altimeter is an aneroid barometer which makes use of the change in atmospheric pressure with the change in height above the sea level (altitude). What is the approximate value of atmospheric pressure at sea level in S.I unit?

Consider the barometer shown in figure. If a small hole is made at a point P in the barometer tube, will the mercury come out from this hole?

Torricelli's barometer used mercury. Pascal duplicated it using French wine of density 984 kg m^(-3) . Determine the height of the wine column for normal atmospheric pressure.

Consider the barometer shown in figure. Density of mercury is rho . A small hole is made at point S as shown. The mercury come out from this hole with speed v equal to